Bolomite

Bolomite is a natural substance found on the planet Telsius Prime, and extracted through the process of mining.

In 2376, ten kilotons of bolomite were stolen from the Telsius Prime mining colony by con artists masquerading as USS Voyager officers.
The thieves claimed that they needed the bolomite for use in omega radiation therapy, though it was unclear if bolomite was indeed used in the therapy, or if this claim was simply part of the con.

Bolomite generally is of relatively low value, and dilithium has been noted to be twice as valuable as bolomite by mass alone.